Finding the Fourth Proportional to 98,333.50, 135,711.88 and 55,898.42

Step by Step Solution

1. Step 1: Write the proportion equation
   98,333.50 : 135,711.88 = 55,898.42 : x
2. Step 2: Convert to fraction form
   98,333.50/135,711.88 = 55,898.42/x
3. Step 3: Cross multiply
   98,333.50x = 135,711.88 × 55,898.42
4. Step 4: Simplify right side
   98,333.50x = 7,586,079,667.23
5. Step 5: Solve for x
   x = 7,586,079,667.23/98,333.50
6. Step 6: Final answer
   x = 77,146.44